collier

Etymology

From Middle English colier, from col (“coal”).

noun

1. A person in the business or occupation of producing (digging or mining) coal or making charcoal or in its transporting or commerce.
   For this reason, the collier took constant care to keep the covering of earth in good order. 1957, H.R. Schubert, History of the British Iron and Steel Industry, page 224
2. (nautical) A vessel carrying a bulk cargo of coal.
   By 1830, more than two million tons of coal a year, principally from the North East, arrived in London by coastal collier, and that figure reached three million tons by the 1840s. December 1 2021, Nigel Harris, “St Pancras and King's Cross: 1947”, in RAIL, number 945, page 42
3. (nautical) A sailor on such a vessel.
4. (slang, used by the traveller community) A non-traveller.